Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of L-Cystine Disodium Salt ((H-Cys-OH)2.2Na) (CAS: 64704-23-0) with high quality. Ruifu can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase L-Cystine Disodium Salt, Please contact: alvin@ruifuchem.com
| Chemical Name |
L-Cystine Disodium Salt |
| Synonyms |
(H-Cys-OH)2.2Na; Disodium L-Cystine |
| Stock Status |
In Stock, Commercial Scale |
| CAS Number |
64704-23-0 |
| Molecular Formula |
C6H10N2Na2O4S2 |
| Molecular Weight |
284.26 g/mol |
| Melting Point |
220℃ |
| Density |
1.63 at 20℃ |
| Storage Temp. |
Cool & Dry Place (2~8℃) |
| COA & MSDS |
Available |
| Brand |
Ruifu Chemical |
| Items |
Inspection Standards |
Results |
| Appearance |
White or Off-White Crystalline Powder |
Complies |
| Water by Karl Fischer |
<5.0% |
1.64% |
| Specific Rotation [a]20/D |
-179.0° to -164.0° (C=1 in 1mol/L HCl) |
Complies |
| Purity / Analysis Method |
>98.0% (HPLC Area) |
99.5% |
| pH |
9.5~11.0 |
10.1 |
| Infrared Spectrum |
Conforms to Structure |
Complies |
| NMR Spectrum |
Conforms to Structure |
Complies |
| Conclusion |
The product has been tested & complies with the specifications |
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
TSCA Yes
HS Code 2922491990
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Store in a tightly closed container. Store in a cool, dry (2~8℃) and well-ventilated warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
L-Cystine Disodium Salt ((H-Cys-OH)2.2Na) (CAS: 64704-23-0) is used as an organic synthesis intermediate or pharmaceutical intermediate.